var frozenColumns = [[
                      {field:'ck',checkbox:true},
                      {title:'code',field:'code',width:80,sortable:true}
      			]];
var columns = [[
		        {title:'Base Information',colspan:3},
				{field:'opt',title:'Operation',width:100,align:'center', rowspan:2,
					formatter:function(value,rec){
						return '<span style="color:red">Edit Delete</span>';
					}
				}
			]];